Unit labor costs in nonfarm businesses fell 4.3 percent in the first quarter of 2013, the combined effect of a 3.8 percent decrease in hourly compensation and the 0.5 percent increase in productivity. The decline in hourly compensation is the largest in the series, which begins in 1947. However, over the last four quarters hourly compensation increased 2.0 percent and unit labor costs rose 1.1 percent.